Hp Library and Tape Tools Bedienungsanleitung PDF herunterladen (Seite 104)

The two options available for the Backup Performance test are as follows:

• Blocksize—Specify the blocksize (in bytes) to be read. Typical values are 32768

(32KB), 65536 (64KB). The default is 65536.

• Path—Specify the path to the directory to be read from.

Figure 42 Restore Performance test screen (CSI)

The following options are available for the Restore Performance Test:

• Filesize—Specify the size, in bytes, of the test files to be created.

• Number of Files—Specify the number of files to be created.

• Directory path—Specify the path of the directory where the test files will be written.

This must be a directory on the backup server being tested. Make sure that the path is

on the restore destination disk to measure the real data rate. Use a directory name that

you can find easily such as C:\Test so that you can easily delete the data later.

• Pattern—Specify one of the following data patterns:

◦ Fixed byte

◦ Incrementing byte

◦ Random data

◦ 1.6:1 compressible data

◦ 2:1 compressible data (suggested starting value)

◦ 3.1:1 compressible data

◦ 4.3:1 compressible data

4. Use the start command to start the test.

DDS Assessment test

DDS Assessment tests performed:

• Requires that cartridge be already loaded or in the process of loading when the test is started.

• Looks at the drive history (runs device analysis and looks for at DDS report information).

• Checks whether the drive is requesting cleaning.

104 Tests

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Hp Library and Tape Tools Bedienungsanleitung Seite 104